Ah, it's time to chill out and get ready for a mediocre Q A live stream. If you're old enough, grab yourself your favorite adult beverage and if you're not, stick with apple juice, put your feet up and relax. If you have any questions, feel free to ask them in the chat. and now let's cue up the intro music.

Thank you thank you Foreign thank you thank you thank you very much Foreign! Welcome to the Hvacr videos Live stream Hello to everybody out there I Am currently juggling a bunch of different social media platforms so stay tuned if you're watching. We are streaming on Facebook Instagram Tick Tock YouTube LinkedIn all these different places. so if things Crash and Burn and my internet completely dies, my apologies I'm just trying to do way too much stuff. so hello to everybody out there.

It's really awesome. You know when I make these videos and you know for the new people that are watching right now on all these different social media platforms I know I'm looking everywhere because I got cameras going all over the place one of these days I'll get this figured out. but you know, uh, my name is Chris and I'm in Hvacr service technician here in Southern California I make videos on YouTube and all these other social media platforms just to share the little bit of knowledge that I have first and foremost: I Do not know everything nor will I ever know everything. Okay, Um, I'm a constantly learning technician just like everybody else.

Okay, nobody knows everything. Um. I started making these videos on YouTube to kind of help my own technicians and then it quickly turned into something else I Never expected it to get as big as it did, but here we are now. Okay, um I I Started doing these live streams as a way to consolidate the questions because clearly when I make videos, you know there's a lot of comments and questions and emails that I get before I get too crazy into this too.

If you guys have any questions that I don't answer on the stream that I don't see, feel free to send me an email to Hvacrvideos Gmail.com I try to get to your guys's emails but I gotta admit I get so many it's really difficult to get to everything. Okay, so got a bunch of stuff I want to cover I got a list in front of me and then of course I want to get to the chat I'll be trying to go back and forth between all the different social media platforms to see what's going on and what kind of comments are coming out. If you guys have questions, feel free to put them in caps lock. It definitely helps out the stream Neil C says how many monitors um I've got four monitors I'm currently using all four of them I have the YouTube stream on one I have stream yard which is my main broadcast software I have a Word document on another one and then I have Tick Tock up on another monitor and then I have Instagram up on my phone I Would love to be able to stream to tick tock from my phone, but the problem is is that they don't have a filter that inverts the image so everything's backwards on.

Instagram they have a filter that I can invert the image. But anyways, these are all just random problems that you guys don't even need to know about. So hello, hello to everybody! um I Want to start this off with a little bit of a rant. You know I do this all the time I tend to go off on these Rants and it is what it is.

But um, social media. Social media is a great thing. We have amazing resources. There's different platforms.

There's a lot of social media creators. I Recently just got into the short form content. It's new to me I'm still not 100 sure how to utilize short form content, but it's here to stay. It's not going anywhere.

I Know a lot of people don't like the short form content, but you know that's just how it has to be. That's what we got going on, right? All the social media platforms want to push that stuff, but what I'm noticing is that and it's really cool. I Recently got into Instagram a little bit more and Tick Tock a little bit more and I'm realizing that there's these social media creators that I knew nothing about and they're out there. and it's really awesome because there's great communities on Tick Tock there's great communities on Instagram Facebook all these different ones and it's really cool.

But something that I'm noticing, especially on the tick tock side right now, is there is a lot of incorrect information out there. Um, and it's everywhere, right? There's always going to be someone making mistakes and clearly I have made probably more mistakes than many people, right? I make mistakes all the time and I am not 100 correct all the time. But you know when I try to give polite feedback to people you know just politely in the comments or sometimes I'll shoot him an email I get resistance I get pushback from people and it's kind of a bummer. but there is a lot of incorrect information out there and it's really important that everybody questions what they hear or what they read.

Just because there's a social media creator that has a hundred thousand followers or thirty thousand followers or five followers, doesn't mean that they're the worst technician. And it also doesn't mean that they're the best technician. It doesn't mean that they know everything. Okay, so keep that in mind if you guys are watching my content.

If you're watching someone else's content, don't take my content as you know the written word and the only way it's not okay. Remember, do your own research right? my videos are not meant to be a tutorial. My videos are not meant to be. Uh, this is how you have to do things.

That's not why I make content. My videos technically are for my own employees right, but obviously they've grown legs and turned into something different. But really, what my videos have become is just a window into how my brain works. Okay, and that's the easiest way to explain it because I have a very particular way of doing things.

I Know it's very peculiar, it's different. and I'm just giving you guys a window into how my brain works. And you guys, everybody out there that's watching the content can take that for what it is and use it for what you need to. But do not just assume because I said something that it's a hundred percent correct.

Okay, maybe I say something and it gives you. You know gets the hamster wheel spinning in your head and then you kind of look into it a little bit more and learn, then that's great. Okay, you know you hear something that I say, then do your research. If you hear an interesting fact that I say do your research, look into it and then make your own, you know.

Conclusion: Basically, but be very cautious because I am noticing a lot of incorrect information out there on social media. Okay, um, no, let's see. Uh oh, right on see. and that's something else too.

Uh Sean S is saying right now. if he ever does that, please correct him publicly is what he's asking me to do on his post. He welcomes that and I welcome feedback too. And that's another thing, right? As long as you're not a jerk to me, a hundred percent give me feedback and you don't have to do it discreetly.

Don't worry about embarrassing me if you guys see me doing something incorrectly. put it in the comments All right? But you don't got to be a jerk. Be nice about it and bring it to my attention. And if you feel the need, send me an email too.

Okay, I am open to criticism and I think that's really important for everybody out there on social media to embrace the idea of criticism, right? Because everybody's going to have an opinion. Now, keep in mind that just because you have an opinion doesn't mean that your way is the only way. The same way that I understand that my way is not the only way. Okay, um, reading through the chat right now and uh, let's see what else we got going on in here.

Right on. Hello to everybody. It's really awesome to see everybody. Hopefully the video is coming through good for everybody and uh, everything's working out.

Oh, it's glitching. Yeah, see. That's what I was kind of worried about is that it was going to glitch. So let's see, we might have to calm down on some of this stuff.

Yeah, I got way too many things going on right now and I'm probably pushing my computer to the max. so uh-huh Oh see uh. Friendly neighborhood maintenance guy says the only one true way is thermodynamics and that's a pretty good point. That is a pretty good point for sure.

Okay, so um JJ had asked a question and he wanted to know how many service calls I give my technicians per day and do I rush them through their service calls. The answer to that is it depends I have no specific amount of service calls that I'm going to give a service technician. We start with one call at a time. We finish that call to the best of our abilities.

then we move on to the next one. Now of course we get super busy in the summer time and there's times that we have to tell a technician you know, hey, you're going out here. This is why I ask my technicians to communicate with me and check in with me. Give me an update.

once they get to the job and they kind of evaluate what's going on. give me a call and tell me what's going on. Tell me what they think it's going to take. it doesn't necessarily have to be their their full diagnosis, just tell me what they're seeing.

Give me an idea that way in my head as I get more service calls I have a general understanding as to how long it might take that technician. but I do not have a call lineup of 10 service calls and I expect you know a a technician to get so many calls done a day. That's not how I do things I simply take it one call at a time. Okay, the only call that I get guarantee I will be there to a customer at a certain time is the first call in the morning.

That's the only one that I'll guarantee that will be there at a certain time if a customer requests that we show up at this time. It doesn't work that way. Okay, uh, you know there's certain things we try to cater to the customers, but basically I will only guarantee a customer a service window from basically 7 A.M to 8 AM And that's it, right? we'll be there at 8 A.M we'll be there at 7 A.M Everything after that is dependent on the previous calls. Okay, so I'm not out there pushing my guys to constantly.

Um, you know, get a service call done every two hours or anything like that. Okay, and the other thing too is I understand that my technicians have a life. For instance, had a service technician on call yesterday. Uh, are on call all weekend, right? Um, he was on call Friday Saturday Sunday he didn't get I don't think any service calls until Sunday at three o'clock in the afternoon.

Okay. walking cooler, not working and it was really a bummer. He went out there. He went through the system.

he was digging through it. He found a contactor that wasn't working correctly. It wasn't pulling in correctly, it had voltage going to it. He changed the contactor, but we don't just stop at the first problem and he knows that.

So after he changed the contactor, he watched the box come down to temperature. But he noticed that the compressor was making a funny sound on Startup And then when he put service gauges on it, he noticed that the pressures weren't right. The compressor was internally bypassing. it was a refrigeration compressor.

He reset the compressor, turned the system off, let the pressures equalize, turned it back on, watched the box come, it started back up normal. He watched the box come all the way down to Temp. but when it's satisfied, the compressor went off on internal bypass. Again, There was something going on with a pressure relief inside the compressor.

So he had to change a compressor yesterday. Didn't get home till about 9 pm last night. By the time he was done picking it up, All that good stuff, right? But once he got the compressor up and running, um, you know he was able to change the compressor without having to go too crazy into the system. He was able to isolate it, recover the gas change, just the compressor but then guess what? I'm not pushing him to like make a perfect repair on a Sunday night.

I Told him dude, get the compressor running, make sure you vacuum down the isolated compressor, start it up. We'll come back Monday and change the dryer and that's what he did. He got it operational. the dryer had no restriction across it, so I sent him back there today to follow up on the system, make sure it was working right.

He pumped it down, changed the liquid line dryer, put a new sight glass on it, went through the system and got it going. So the point that I'm trying to make is I'm not pressuring my guys to bend over backwards and make everything perfect for the customer. We do what we have to do to get the equipment operational, get it functional, get it running, and then most of the time, especially with overtime service calls, we do follow-up visits. we come back during normal time, and we go through the system properly because there's no point in going through something and you know, just just getting it operational right.

We don't want to fix the symptom, we want to fix the problem. So uh, in the situation of my technician yesterday, what killed the compressor, well, I Think that it was our diagnoses talking together was that uh, you know. Basically the system was short cycling for whatever reason because of the contact are not working right. but I still have the compressor to autopsy which I've kind of made it a pretty good habit of mine to cut open all the compressors that we change just to kind of look at them and see what's going on.

Now this particular compressor was an LG compressor. Um, you know, believe what you want to believe, but you know I don't really have a really a lot of good luck with the LG Refrigeration compressor. so we got about six years out of this one. I Don't you know? I'm not too worried about that.

they they're not the best compressors in my opinion, but that's my own opinion. I'm not saying that you all need to assume that those are all the worst compressors I just don't have the best of luck with them. So um, all autopsy the compressor will go through it. But to short, you know.

long story short, I don't pressure my guys to get 10 calls done a day. We take it one call at a time and we move through them. Okay, let's see what else we got going on here and what kind of pressure switch? Uh, lower medium temp? Uh. Brett I'm kind of jumping into the comments.

my buddy Brett from the Advanced Refrigeration podcast I'm assuming that he's asking me. was it lower medium temp? it was a medium temperature compressor. What kind of pressure switch? It was a one of those janky, um, gosh, what pressure switch? is it? It might have been a danfoss pressure switch or something. I don't know.

They're ones that are really hard to to set and adjust so anyways, but we got to go on. system has a time delay on it. it's working. We're going to autopsy the compressor and we'll dig into a little bit more.

So all right, uh, let's get to the next question. Um so I took uh last week off for the live stream. um I was a little busy with everything and uh, it was just coming off a Father's Day and my birthday weekend had a lot of stuff going on. Had a nice weekend too.

uh last weekend last Friday I think last Friday no previous Friday was my birthday and then we had Father's Day So it was real nice weekend spending time with the family and stuff so that was cool. Um let's see one thing that I do want to point out something that I learned way too late. Luckily, my relationships with my family and stuff were not permanently damaged. I'm doing my best to build them back up is we as technicians need to do better to take time for our family and something that struggles that I struggled with is even taking time for myself.

Okay, um, you know, something like my birthday Normally I don't ever take my birthday off. It's just another day to me right? but something that I've had to learn same thing with Father's Day Father's Day is just like I don't know I don't really need a day. that's the way I Always thought about it right? but it's really not just about me too while it is about me and I need to take time for myself and I've had to learn that you know my family wants to spend time with me too. So as a person I've realized that I need to slow down a little bit, spend them a little more time focusing on my family, focusing on myself and that's working really good for me.

So I encourage you guys all to kind of reflect on yourselves too and look and see where you need to best spend your time. Of course, work is something like for me, work is not work right because work is my life. I obsess about work right? Run a small business, run a social media business and you know I just my hobbies are work and everything. So for me, work is just.

you Know it's just what. I Do other people have hobbies I'm happy for you guys if you have hobbies I don't really get to spend much time doing any of that stuff I just constantly focus on myself. But I encourage you guys all to not do as I do and focus on your family and you know, do that kind of stuff because I it's really going to help you guys in the long run. All right.

Uh, do I ever plan on leaving Southern? California Uh, you know it. It sounds like a really awesome idea to leave. Southern California Get away from the politics, get away from The High Cost of Living and everything. Uh, but one thing you gotta admit is we have amazing weather here.

We are 45 minutes from the ocean, 45 minutes from the mountains. I'm my happy place is in the mountains. my wife's happy place is near the ocean. Um, so it's a compromise living here my my wife and my kids would not be able to leave.

California see I could move to Montana and not ever talk to my neighbors and have plenty of space and I'd be happy in life but my family wouldn't so it's not just about me. So long story short, I'd love to leave California but I'm not going anywhere anytime soon, so let's see what else we got going on in here. Okay, um, well, that's really cool. Noah says that my videos have helped and that's really awesome bud.

I'm glad that the videos do help you out. Okay again reading through the chat right now trying to see what's going on. Um I'm gonna scroll out of this so I can see some other stuff going on. and I apologize to Tick tock because you guys aren't seeing the greatest screen right now.

but I'm having to, uh be able to read the chat and stuff. So Tom is saying life is not a dress rehearsal and that's really important right? Because we tend and that's a great Point that he's making too. We tend to, you know, just uh, not really. Pay attention to ourselves and just kind of.

you know, fast lane through life and life. You only get one shot at it. so take the time and spend the time with the ones you love and enjoy your life. And don't just think about work like I do all the time.

Okay, um, let's see what else. uh, Digital Temperature Controllers I Posted a video a while back about digital temperature controllers oh Jennifer Manzo thank you very much for that! Super Chat You did not need to do that but it is much appreciated. Jennifer's from HVAC chicks but then also from The Misfits uh of HVAC podcast with Ryan Hughes uh they do a great little podcast and live stream. Really awesome show on Saturday so you guys definitely want to go check that out.

Thank you very much for that! Super Chat Jennifer Brian Thank you very much Brian Sanders That's awesome again everybody that's supporting the channel I really do just appreciate that. Okay, Brian says Super Chat just for dealing with California taxes. That's awesome. Uh, Jennifer says thanks for coming to the Misfits Saturday Oh, that was really awesome.

Yeah! I Had a good time and then there was another one that came through a few minutes ago. Brandon Priest Thank you very much for that super chat too! Um, again, it is really awesome and much appreciated and you guys don't have to do those, but I'm very thankful when you do, so thank you! Um, let's see what else I'm missing in here I don't know what I did and why I can't there we go. For some reason the chat was like stuck or something like that. Um oh so Jason Johnson says as his supervisor says MTT so his supervisor is Holden Shamberg from the HVAC time YouTube channel Holden's a good friend of mine was actually just texting with him recently the other day.

Um, really awesome dude and you definitely need to go check out that uh YouTube channel if you haven't already, it's called HVAC time hold in posts a lot of Chiller content. a lot of uh, light industrial heavy commercial content showing chillers and different things like that and uh, he's a supervisor so he tends to get into the more complex stuff and then does a lot of training content too. So definitely go check out Holden's Channel Okay that you know I'd love to find some way to create a network or something like that of all the channels because again, there's so much misinformation out there on social media. It'd be really awesome to have a cool network of content creators that kind of all stick together.

And it's not not like we're saying we're the only content creators, but it'd be really cool to have a network and say you know these are people that we support and Friends of the show and different things like that, it'd be something neat to do. Um, let me see what else. what else do we got going on in the chat? All right. Um, oh so uh.

Digital Temperature controllers Uh, a recent video I put in a Ronco digital temperature controller I got a bunch of pushback because people had opinions about the type of temperature controller that I used and then also about the situation in which I installed the temperature controller. One thing that I want people to understand is I'm not completely loyal to any one brand of temperature controllers I use whatever temperature controller fits the situation. Okay I keep several different temperature controllers for reaching coolers and freezers in my van I have Ronco uh digital temperature controllers I have um, let's see pen mechanical temperature controllers in my van I have Ke2 uh, low temperature, low temp plus defrost controllers I have ke2 regular medium temp controllers I mean I have all kinds of different temperature controllers I have OEM controllers on my van it really depends. uh, dixel controllers.

It really depends on the situ situation so whatever's going to work best in that situation. But I will say that one person in my YouTube video recently I worked on a hybrid freezer I call it a hybrid freezer because they run 20 degrees Fahrenheit So 20 degrees Fahrenheit is what they run inside the freezer. It's it's it's you know, halfway between a cooler and a freezer, right? It's not negative 10 that keeps ice cream. it's not even.

you know, below zero degrees, it's it's 20 degrees Fahrenheit right? So in that video, I installed a new Ronco digital temperature controller. but you know I had a lot of pushback from people saying I could have just used an air defrost controller. Okay and no, I couldn't have in that situation because I was running a 20 degree box temperature. Okay, now this is an EVAP or a freezer evaporator, but it's running 20 degrees box temperature.

With that being said, the suction saturation temperature of that evaporator coil right? the refrigerant temperature in the middle of that coil when it's running. If I Am maintaining a 20 degree box is going to be about 10 degrees. Typically okay with assuming a design TD of 10 degrees 20 degree box temp the saturation temperature of them in the middle of evaporator coil depending on the refrigerant too because I'm using 404 so it's not a high Glide refrigerant. So we're going to be running about 10 degrees saturation with 10 degrees saturation temperature you need Electric defrost.

Air defrost is not going to cut it unless you have the ability to do a massive off-cycle defrost which is going to bring the box temperature extremely high. Okay, so yes, that evaporative coil does need electric defrost at 20 degrees box temperature because suction saturation is so low. You know you can do off-cycle defrost or air defrost, but you also have to keep in mind you know, are they going to have um, uh, you know, constantly doors being opened and different things like that in my situation, this particular customer, it's a restaurant, so almost all restaurants in general they don't do a good job of shutting their doors and that creates problems. We definitely need to have the proper defrost set up on that.

Okay, let's see what else we got going on in the chat. See what I'm missing here? Yeah, if you guys do have question I encourage you guys to put them in caps lock. It definitely helps me to see what's going on here again. Apologies, um for you know the the feed on Tick Tock It's not the greatest looking thing, but it is what it is.

Uh, let's see what else do I have? Um have I ever experienced a compressor that runs in Reverse no matter what orientation you use? Huh? I don't know if I've ever experienced that and I would even question whether or not it's actually running reverse or depending on the type of compressor the bypass is engaged within the compressor. If the bypass is engaged, you may think it's running in reverse because you know the if it's like a scroll compressor like a Copeland scroll, then the floating seal is not going to set. Let me grab one right now. So I have a a scroll set here.

Hold on for a coupling compressor and the way that this scroll set works. This is the top of the compressor. I've autopsied it right. There's a muffler in here.

This is the muffler plate right here. and what actually happens is when the compressor turns on, the floating seal is actually on the top of this right here, going to push up ever so slightly and allow the compressor to start working. and it's going to seal against the top. So there's like a nylon or neoprene or whatever that is gasket right here.

and it's actually going to push up against the top of this right. And if the floating seal isn't able to move correctly inside this now this is for a Copeland scroll could change for other ones, but if the floating seal is not working right, you know there may be some sort of a bypass going on inside the compressor. You may think it's running backwards when in actuality you know it's it's not. okay.

So yeah I'd encourage you I'd love to get some more feedback from you for that question. Maybe I could help you, but yeah I Currently or you know myself, have never seen a compressor constantly running backwards. Okay, my luck, that whole thing's gonna fall over backwards here in a minute. Um, let's see what else explain why some compressors for walk-in freezers have a DTC valve and some don't.

Okay, so a DTC valve? Hold on just a second. Let me pull that up. Foreign, All right. I Always have these right here.

So this is a DTC valve. Okay, this is a discharge. Temperature controlled expansion valve is really what this is. Okay, this is a metering device.

It has a sensing bulb right here that goes into the head of the compressor and whenever it senses a really high temperature in the compressor, this valve opens up. It's literally just an expansion valve. Okay, has a strainer built into it right here. so this there's a strainer, and then it has a roto-lock fitting on this one right here.

It is not adjustable, has a roto lock fitting, and it just simply opens and closes when the head of the compressor gets too hot. Okay, this right here is a form of liquid injection. It's simply there to help to cool off the compressor in high compression ratio situations. That's the point.

The reason why it's on there. You're going to see these being used more and more, especially with the high Glide refrigerants like 448a. 448a has a lot of similarities to R22 Same thing with R22 low temp stuff. We had a lot of overheat situations in the compressors.

Liquid injection was a big Savior for all of that. Okay, so on the scroll compressors. you'll see these on the extended medium Temp and the low temp compressors. You'll see these typically on I think it's two horsepower and above on the Copeland Scrolls you'll see them coming with DTC valves.

Okay, now DTC is just a form of liquid injection. They also make a capillary tube style liquid injection that is just another metering device. That's all. It is okay and it's just there.

So um, I would Cur I don't have the AE bulletin numbers? Um, yeah, I should probably do a better job of doing that or finding a way to share it with you guys. But Copeland has a lot of great information about their compressors and if you pull up the AE bulletin for the compressors, it'll have a full breakdown as to how the DTC valve works and how to replace them and all that good stuff. Okay, so let's see what else we got going on in the chat: hello to everybody that's in the tick tock chat, hello to everybody and all the different social media platforms. how's it going? All right? Um, let me see what else we got going on in here.

So I already covered that question. I'm going through a list of questions that I have. So Nick had sent me a message and he was saying that he is noticing and he wanted my opinion that he's seen a lot of laziness within the HVAC industry and he kind of just wanted to hear my feedback. now.

I'm going to paraphrase a little bit because he had a full question in there. He had a service call where there was a lot of incorrect things done and he was just kind of curious about my opinions on it. I Would say that humans are inherently lazy I am a lazy person I Want to do the least amount of work possible to try to get a job done right? Everybody has a lazy streak within them. Okay, I'm not going to say that it's just the HVAC space.

I Mean of course, we're all gonna do our best to not work as hard as we can, if that makes sense. Okay, some people may be a little bit worse than others, right? but you know there's good technicians and there's bad technicians out there. and it's not just limited to the HVAC space. It happens everywhere.

Okay, I would say that. Um, you know, in the last five years, it seems like things have definitely gotten worse across the board, all the way around the industry and all the other trades. I Mean everywhere. It seems like there's a lot of you know people that don't want to push hard.

But on the flip side, let's analyze this. Okay, some people that do not want to dedicate their lives to a business that's not theirs. Some people that don't want to, you know, kill themselves trying to to to you know, work A job that doesn't benefit them anything other than a paycheck, right? There is more to life than work. You have to find somewhat of a work balance within that, right? So for me, I you know whether or not I'm owning my own company or not I'm the type of person that's really, really gonna do my best within reason, right? But again, I always have a lazy streak within me too, so nobody's perfect.

Okay, um, let me go through the chat. Real: What other platforms is he on you don't see me on YouTube HVAC Teacher I am on YouTube my friend just go to Hvacr videos on YouTube Um, that is my main platform that I'm on Uh so I am streaming on Facebook YouTube LinkedIn Instagram all those different platforms. Um, let's see. uh Chris is saying that laziness or burnout, lack of knowledge you or we probably have the lowest retention and join rate of any trade.

So that's my friend. Chris Haraga and uh, forgive me if I butchered your name there Chris I think I said it correctly. Yeah, I mean I would say. But on the flip side, this trade Hvacr really does demand a lot from people, right? Um, I know Chris is a super hard worker and he's a go-getter I followed Chris on social media.

We've met a few times or we met once actually. Um, really cool dude and I know he's a go-getter He's a hard worker and he's always always trying to help his employees or the people working under him. Um, and you know he's posting content on social media too. Um, but you know, yeah there is.

You know this is a difficult trade. There's a lot of facets within this trade and it takes a lot of brain power. and then you throw in the fact that right now we have the most innovation in this trade the most. You know advanced technology coming into it than we ever have right there.

You know the implementing of CO2 coming into everything. Uh, hydrocarbons, A2ls, all the new technology, inverter technology. you know, Vrf technology? that's I know all that stuff's been around, but it's really really getting pushed hard right now. Um, so you know this industry is a difficult one and it's not for everybody for sure.

100 Um, let's see what else we got going on in the chat. What am I missing? What's the hardest thing to fix on a roof? Um, I mean I I Wouldn't say that there's one thing that I can pick to be the hardest thing in the world to fix. You know it just depends on the complexity of the problem with said piece of equipment. Exhaust fans are not fun to work on in the middle of a a lunch shift, right? Because they're really, really hot.

Customer really needs it fixed. They probably didn't stop cooking creates a problem, you know I mean, but it just depends. But I can't say there's just one thing. Um, let me see what else.

Uh, what am I missing in here? Okay, cool. Uh. Mick said that already answered that question. Okay, Uh, oh so I did here if you guys didn't already know that for now and I'm sure there'll be an appeal and I'm sure there'll be a different way.

But for now, the single use refrigerant cylinder band is, uh, out of the picture and it's not being banned at this time. So there was a, uh, you know, a bill or something like that where they were going to try to implement getting rid of the single-use refrigerant cylinders that we use. You know, when you buy a brand new jug of refrigerant, insert flavor here. Uh, you know, because if you go to any of the European countries Canada and a lot of the other part of the world, they use reusable cylinders.

Kind of like the recovery cylinders, but they're different style. Um, and so there was a big pushback from our uh, lobbyists and Advocates Akka and all those different ones and they really pushed hard against the US government. and for now, they got them to back off from the whole single-use refrigerant cylinder band. But again, I'm sure that they're just going to regroup and come out in a different way.

So stay tuned. Uh, do I pack a lunch when I go to work? Um, so I've been on a bad kick. where I haven't packed a lunch probably for about five months. Uh, but I'm ready to get back into it for sure.

I kind of got burnt out on packing lunches usually. What? I do Uh I can't deal with sandwiches. sandwiches just drive me nuts having a turkey sandwich every day. They suck.

It just sucks having the same thing you give me a peanut butter and jelly I can eat that every day, but those aren't good for you, right? Um, so what? I try to do lately I've been really lazy and I've just been going through the drive-throughs I go to, you know? I Typically don't eat fast fast food very much. Um, I do like the fast casual stuff. You know the fast casual has drive-throughs like Panera Bread and stuff like that, but it's starting to get a little ridiculous how expensive that's getting. So when I do take a lunch What I try to do instead of just making sandwiches is, uh, just pack leftovers I can eat almost anything cold.

It doesn't matter what it is Meatloaf anything like that I'll just pack it into an ice chest I have one of those hot logic mini warmer things that you plug into a cigarette lighter or a convenience outlet and you can let it warm up your food like a hot plate. Yeah, I don't really need it I just eat stuff cold. So if we make pasta, we usually just make extra and I'll just take it to work with me and eat it. But lately, I haven't been packing a lunch.

So um, how do I diagnose an inefficient compressor with low saturation temperature but normal pressure is refrigerant is R12 Well, the way that you diagnose a compressor that has bad performance is by looking at performance data and leaning on the manufacture of the compressor to find out what's going on. Okay, if you have low saturation temperature, but normal pressures. Yeah, there's something funky going on there. So I would say lean on the manufacturer.

If it's a Copeland compressor, you can use the Copeland mobile app. If it's not, lean on the manufacturer, the compressor. Find their performance tables and analyze the data, measure voltage going in, measure current of the compressor as it's running under a load and not under a load, and kind of evaluate things from there. Let's see what else we got going on in the chat.

What am I missing? Um, all right, big pushback from the garbage men on the Disposable tanks. It's possible. All right. Um, reading through the chat.

Marwin: Okay, so this is an interesting question. Marwin bought a restaurant and he's having issues with the exhaust system. Okay, so again, I encourage people out there whether you're on an HVAC technician, a business owner, a homeowner. If I got time, I'll try to answer your questions I'm not going to promise I'm going to get to every one of your questions, but feel free to send me an email to Hvacrvideos Gmail.com and I'll try to get to them.

Okay, so Marwin bought a restaurant and he's having exhaust issues. So what he did was he gave me specs on the, uh, the width of the hood and you know he was saying that it doesn't seem right that the exhaust duct is not centered within the hood and he's having issues with it pulling smoke and heat out For those that are going to ask. I'm drinking root beer. So um, so Marwin First and foremost, if you have an exhaust, Hood Let's explain how an exhaust Hood works.

Okay, an exhaust hood is a canopy setup that has exhaust fans attached to it and ductwork attached to the hood. The way a hood works is that the duct coming out of the hood does not have to be centered. Okay, The way that it works is when you put the grease filters in the Hood The grease filters create a restriction, right? A slight restriction that creates an even airflow all the way across the filter. So it is so important that if you have a hood that there is no spaces large spaces between the hood filters, the hood filters need to fill the entire cavity and block off the airflow.

So that way all the air has to go through the hood filters. They stop grease if they're designed right, but the next thing they do is they create an even pressure drop across the entire Hood So that way it can pull air evenly from the whole thing. His next question is that he mentioned that his hood is so old that there there's no way to measure the airflow coming out of the hood. And Marwin I'm going to tell you that that is incorrect.

It doesn't matter how old your hood is, you can still measure the airflow. Now measuring airflow across an exhaust hood is a little bit difficult. Okay, you typically have to use something, uh, you know, like it. you can't use a normal flow.

Hood Anemometers don't really work too well. You typically have to use some sort of a grid or velocity Matrix that hooks up to a high Precision manometer and can do calculations and convert the pressure measurements to airflow over the velocity measurements to a CFM right? But you can measure airflow across a hood. It doesn't matter the age of it, but you have to have the filters installed in the hood and you're going to have to do some calculations. It's not easy, but it is possible.

Okay, so what I would highly suggest with you Marwin is you know, one of the things that people don't understand when they when they buy restaurants. When they open restaurants is the exhaust system should be equally as important as your cooking appliances that you choose. The exhaust system needs to be designed for your cooking appliances. So when you're designing a kitchen, you figure out what kind of ovens and what kind of fryers you're going to have, and then at the same time, you've got to figure out the Btu output, the heat output of those appliances.

And then you're going to measure and design your air, your, your, uh, your exhaust. Hood alongside of the equipment. Okay, so you can't just assume that you can shove as much equipment as you want underneath the hood, because there's also different types of hoods. For exhaust systems, there's grease hoods.

There's steam hoods, so you know, not every hood is designed to have grease or high heat. So a lot of things come into play when it comes into a restaurant, right? So he's asking, uh, you know, again paraphrasing this question. he's asking, you know, you know, making estimations on the amount of airflow going out of the hood and he thinks that it doesn't have enough makeup air? Really? you're throwing things at the wall and trying to see what's sticking and don't take offense to what I'm saying Marwin. But you need to get a competent mechanical contractor involved to come in and evaluate your system.

They need to do a a commercial building load calculation you know that focuses on the exhaust system. And and don't just look at just the exhaust system because just like a home, the entire building is part of what they're looking at. They're looking at the air conditioning system, They're looking at the exhaust system, They're looking at the cooking appliances and then they can make an evaluation. If you cannot find a contractor that can help you with that kind of stuff.

I Encourage you to reach out to some of the major exhaust Hood Manufacturing companies and they can get you in touch with a mechanical contractor that can do these complex measurements. So reach out to Greenheck Reach out to Captiveaire, one of those two companies. Captiveaire has their own service technicians and I believe they have their own design. Engineers Maybe Okay.

Greenheck also has design engineers and if anything, they can give you leads on contractors that can help you with your situation. Okay, but understand something. you're in for it because you know you can't just buy into a restaurant and assume that this hood is going to work for everything you're going to shove underneath it. You know you need to listen to what these guys say and they're going to make some recommendations that you're probably not going to like, but you know it's just what you have to hear.

So all right, let's see. Um HVAC Teacher is saying he's on YouTube and he doesn't see it. Yeah, I'm there man. Hvacr videos? Uh, just look it up.

it'll be there. All right. let's see what else we got going on in the chat. Um, so uh, will.

So my buddy will. uh it just reminded me that he's been a supporter of my channel for 20 months now. That is really awesome. That's Will Speed.

He's a good friend of mine. Really cool dude. So thank you for being a channel member on YouTube Well, that's really awesome. But have I ever serviced teppanyaki restaurants? Lots of exhaust fans and makeup? Bears Del Mar is asking me so Hibachi Restaurants Teppanyaki restaurants? Um, you know, uh, what are they? Uh Korean barbecue restaurants where you cook your own food and they have little exhaust hoods? No.

I've never serviced those types of restaurants. but I will say that every one of the Teppanyaki Hibachi restaurants or Korean barbecue restaurants that I've ever been to that has those multiple hoods they're building balances. always ridiculously dumb and not correct. So uh, you know it is what it is.

A lot of people don't understand building balance and a lot of restaurant tours. restaurant management, restaurant owners don't even really want to get too involved because you know, depending on who they are and stuff, sometimes they're just more concerned with making money than actually having an establishment that works properly. Um, so I released a video working on an R290 system and it had a leaking expansion valve. Oh boy did I get all kinds of questions and people pushing back on what I said in the video and again like I said in the beginning, right? I Started this with a little rant about social media and I'm going to cover it again because we got a lot of new people in here.

Just because you see someone on social media that has a lot of followers does not mean that they know what they're doing. Okay, don't assume that just because I have a hundred plus thousand followers Watching Me on YouTube or whatever right? insert however many numbers I have doesn't mean that I'm the best technician. Okay, followers do not equal them being good. Okay, you guys as technicians cannot just take what you hear on the internet and assume it's correct.

You can take information that sounds correct and do your own research and then validate it and use that information. Okay, so keep that in mind now. I released a video where I was working on an R290 system. Something that I have noticed when I when I started doing the short form content is I'm getting a lot of trolls and a lot of pushback on the short form content and I believe it's because I cannot give proper context when you see a short on Tick Tock When you see a short on YouTube or real or whatever you want to call them right? Just the short form content.

Understand that majority of the time they're limited to 60 seconds. Some of them let you go a little bit longer, but for the most part they're limited to a short amount of time. YouTube I can make a video 40 minutes and I can explain everything that I think is needed and then I do show notes at the end and explain things that I think were missed. But when I do the short form content, you know it's hard to get all that explanation in there.

So I notice a lot of pushback from people in comments and that's fine. I'm okay to feedback and stuff, but in the video where I worked on an R290 system and I had a leaking TXV I explained that it was a stainless steel danfoss. TXV If you guys do not know the newer model stainless steel, danfoss txvs are stainless steel on the outside of the TXV but they are copper coded on the inside. Okay, so they did that so that way you didn't have to heat up the valve so hot because in the past if you guys have not been in the industry that long, you can go back to the late 80s, early to mid 90s.

We had stainless steel TXV that were stainless steel all the way through. They were peanut valves, little itty bitty guys and you had to use Silver solder to solder them. People would burn up the valves all the time trying to solder those things together because to do silver solder, you have to get it a lot warmer then you have to when you do 15 sofas. Okay, so on the newer danfoss Txvs they are copper coated on the inside and I'm noticing a trend from multiple manufacturers where they're constantly leaking in the same spot at first.

I'm like, well, maybe the manufacturers are doing something wrong. Okay, but the odds that it's from manufacturer to Manufactured and manufactured and it's all leaking on the same spot I don't think they're doing anything wrong. My humble opinion is that there's something that's happening within the plating process. On those Txvs, it's a stainless steel TXV and it's copper plated on the inside.

So that way you use 15 silphos to Brazen and I tend to notice that they have a lot of leaks on the outlet of the TXV. So I mentioned in my short form content and I've mentioned in my YouTube video that I don't like the fact that you use 15 to braise those and a lot of people were like you don't use 15, you use Silver solder. Okay, if you finish the YouTube video, you'll see that I actually silver soldered in because I wanted to try to eliminate any issues now. I Still don't even know if that's going to eliminate them because I really do think it has to do with the plating process that's going inside there, but on a copper plated TXV when you heat it up to braise it with 15 silphos if you get it a little bit too hot and it's really easy to overheat those valves, the copper plating will start to come off.

Ask me how I know because I've done it a million times. Okay, the copper plating starts to come off, then that valve becomes really, really difficult to brace. and the fact that you're using silver solder I mentioned that I Don't like the way that silver solder and silphos mix. I Just don't like it and I'm gonna kind of back that up a little bit.

I got a lot of people pushing back saying you can mix them. no problem, everything's good. I'm stupid whatever, right? If you do a little bit of research for yourself, you will find out that silver solder and 15 sofas. they will mix.

They will. Okay, they will bond together. That that is true. but I don't care that the solders are mixing.

It's more that the solders are bonding to the dissimilar metals that I'm trying to get them to stick to. 15 silphos. I Don't care how much flux you put on it is not going to properly bond to a dissimilar metal like stainless steel. From copper to stainless steel, 15 sofas is not going to do that if it's copper plated.

Yeah, they're trying to do some weird stuff in there, right? But if it's stainless steel to stainless steel I Don't care how many of you out there are saying you've done it and it works. Perfect. It might kind of work, but it's not right and it's not a proper braised joint. okay.

Silver solder uh, 45 and above I Typically run with 56 Silver solder. It's a couple bucks more, but you get more silver content that bonds to dissimilar. Metals Fifteen percent Silphos does not bond to those dissimilar. Metals So just because you have a valve that was brazed in with Silphos and my logic was that I'm not going to put Silver solder on top of the sofas because it's not making a good Bond I was going to change the whole valve and then Silver solder the new valve in and hope that that fixes the problem.

but I still think that we might have problems because I think that the problem lies in the plating process. Okay, but the point that I was making when I was saying that is you can put 15 in with the silver solder. but it's still the 15 is not going to bond to the dissimilar metal. it's just going to mix with the other solder.

So I don't see the point in trying to mix those. Okay, that's my two cents on the matter. Um, let me see, let me see what else we got going on here. Uh Zach Cody says in his experience, they mix like crap and and you'll have a league period And and yeah, I agree.

Okay, um, 50 56 is what you use. Right on? let's see. Uh Charles Mosley says he wants a hat. If you guys are interested in the hats, we actually have a crap ton of them.

We have several different styles we have Dad Hats We have flat bill hats. We have this hat right here and I put a lot of effort into this hat. This hat right here is really designed for HVAC our service techs. um, but uh, you can go to my website Hvacrvideos.com and I have all my merchandise available.

So this particular hat right here is actually a a hat that I put a lot of effort into which you can't see. Uh what I'm showing you guys right now is I can see light through this hat. If one of you guys out there has one of my normal Flex fit dry fit hats, you know exactly what I'm talking about. It's a breathable material it I can see through it I can see light through it.

but it's not a trucker hat. Okay, it has a black underbill, right? It is a flex fit design. It's washable and it only has my acronym on it. It does not say Hvacr videos I perfectly I Purposely designed the hat that way so that way it wouldn't potentially interfere with any of your uniform policies.

Most companies will allow you to wear a hat that says Hvacr because it's just an acronym for our industry, right? So uh, this is my number one hat, but I Also have a flat bill and a Dad hat Again, they're all available on my website Hvacrvideos.com and uh I see Bill in there and then Brian's saying we need sun hats Yeah! I've been investigating the sun Hats but I don't like uh, bucket hats I don't they're not big enough for me I Like the bigger style. Um, Bill is making fun of me today because I'm currently testing out a giant hat. It's like a rice paddy hat. Like the thing is huge comes out here.

It's bigger than a sombrero. Um, giant hat covers my neck and everything. No need to wear a hood scarf. It's actually a really nice hat.

Uh, someone said it looks like a girl's hat when I was I showed a picture to my friends. Yeah, so I'm going back and forth. but yeah I don't like bucket hats because they're too small. It defeats the purpose.

I wanted to cover my neck and everything. So I'm working on a sun hat. Um, let me see what else right on reading through the chat right now. Okay, uh, why was the condent? Oh okay.

so um. in the video that I released over the weekend I had a condenser fan motor that had filled up with water. You guys go watch the video if you haven't already. It's pretty cool video hat.

It went through like everything. diagnosing an electrical short, finding condenser fan motors that failed, finding a hub that was on backwards like it was a whole bunch of stuff. But in the video there was a fuse that was bypassed and someone asked a really cool question. They said okay, so the fuse was bypassed, the power was no longer coming out the bottom of the fuse.

someone pulled the wire, put it on the top Scott HVAC Rookie. Thank you very much for that. Super Chat He's a good friend of mine I Really do appreciate it. You don't have to do that, but thank you Bud.

That's really awesome. Okay, so um I'm losing my train of thought here real quick. Oh, condenser fan motor fuse. So with the fuse being bypassed, what would happen? why is that bad? Okay, so in that particular situation, you have a circuit breaker coming from the rack, then you have 208 single phase coming from the circuit breaker, going to a contactor, the coil voltage, to the contactors, running through fan cycle switches, and then it comes out of the contactor, goes through individual fuses, then goes to each fan motor.

So the question lies: why is it bad If the fuse is bypassed, there's a circuit breaker before it. So in theory, if something was to happen with the motor, the circuit breaker should catch it. Yes, having the individual fuses for each motor though makes it so that way, if there's a problem with a single motor, it doesn't shut down both. Motors Right if a fuse was bypassed, then if there was a problem and it was to trip the breaker, it would potentially shut down both condenser fan motors, then in theory shut down the entire rack because those were the only cooling fans for the condensers.

So it's always important they put those fuses there for a reason. I brought the system back into normal operation, wired it back up the way it should be, put proper fuses and and found the electrical shorts and changed the bad: Motors and all was well. But yeah, it was a bad deal that the motor was not working. Okay, I'm reading through the chat right now seeing what I'm missing.

Okay, nothing in there cool. Right on? Uh, see what I'm missing on Tick Tock I Got way too many platforms going on here right now on a make line cooler with a rail. What saturation temperature would you look for with both calling? Austin I Can't tell you what saturation you would look for with both calling because saturation is going to change depending on the TXV operation, right? So um, I'd highly encourage you to reach out to the manufacturer and ask them. Okay, Uh, and and again, it's going to change from manufacturer to manufacture.

Does the cold rail have a fan motor? Is it a static cold rail with no fan motors? Is it a glycol unit like Chirag Blue Systems? Like There's so many different variables that are going to change everything. Okay, so you always want to lean on the manufacturers and find out, but understand something too. When you call the manufacturer and you say hey, what? You know what? Oftentimes manufacturers won't tell you saturation temperatures, they'll just tell you pressures. Okay, but you can backwards calculate saturation temperatures if you guys my brain works differently and I I figure things out in a different way.

So let's just say say you call True Manufacturing and you're working on a Tssu reaching Cooler. It doesn't have a cold rail, Tssu-48 or something like that, right? That's a two-door open top cooler. So you call true Refrigeration and you say what kind of super heat do you guys want and they say yeah, we don't They don't have superheat numbers, but they tell you pressures. Okay, so when they tell you pressures, that doesn't give you the whole picture.

So what you do is you say all right, what pressures do you guys want this system to run at What ambient temperature and what box temperature? If they can tell you the box temperature, they can tell you the ambient temperature that it was designed for and they can tell you what pressures it's going to run. You can figure out Condenser TD Liquid Saturation Suction saturation. You can figure out all that stuff by just backwards calculating those numbers. If you know that they want the box to run at 37 degrees, Well you know that the Box temperature is going to be 37 and then they told you the suction pressure.

So then you can look at the saturation temperature of the suction pressure at that pressure and you can figure out the evaporator. TD And then you could do the vice the same for the condenser and figure out the condenser. TD I've been thinking about this because I like I have weird ways of figuring things out like that that I probably need to figure out a way to put those out there. So that way, people.

Yeah, I got to figure out how to get that weird brain action that I have going on out to the masses. Our Alliance: Compressors made by Copeland They look the same dragon's gaming I Have heard that Alliance compressors are made by Copeland but I cannot confirm that 100. but I have heard that before. Um, so you know I talked about in the beginning of the stream that nobody's perfect and we all make mistakes.

It's how you grow from those mistakes in my opinion, that finds you okay. So it's okay to make mistakes as long as you learn from them and try to grow from them. That's that's my opinion on the matter. Um, all right.

Uh, in the recent video where I changed both those Motors and found the the rack condensed familiar had been full of water when I cleaned the condenser I mentioned that you want to clean that trough underneath the condenser. but then when I was all done, there was still a bunch of dirt and water in the bottom of the rack. And the question that I had from a few people was they were asking me, well, isn't that dirt just going to suck back up to the condenser? Yes, it is. Good point.

Okay, uh, but there's there's a fine line between being practical and being excessive and just taking way too much time. I Don't carry a shop vac in my truck. The only way to properly clean out that rack is to take a shop vac and spend about two hours vacuuming everything out getting all the dirt out. Customer doesn't want to pay for that.

so I do my best within reason to eliminate to get the dirt from around the rack to try to wash out as much of the dirt when I'm hosing the rack off. but inevitably, there's still going to be dirt in the bottom of the rack. It's just a poor design and it is what it is. So um, who makes Titan Force Compressors You keep having issues with new ones? I Have no idea.

Titan Force Compressors that sounds like a ninja turtle compressor I Don't know. Man, the way they're naming some of these compressors and some of these manufacturers is kind of silly. Some of the names they're coming up with, so it is official. Now you know.

I've known about this for a couple years now. If you guys didn't know, you know. Here you go: True Manufacturing The ones that makes refrigerators. They've released an ice machine now.

Um, and it is official. It was in beta for the last couple years. I've been seeing pictures of it for years. them trying it at different locations, but they are making ice machines now so stay tuned.

Those will be out on the market soon too. Um, all right, reading through the chat right now. Copeland compressors say Copeland on them says Nate Peterson Yeah, that is true. There's no audio through Instagram Oh well, that's a bummer.

So I'm just sitting here streaming on Instagram so no one can hear. That's a bummer. I'll go ahead and end the Instagram I apologize I didn't know there was no audio on Instagram so that sucks. Yeah, my bad discard media right there.

So yeah, eliminated that problem. See, that's what happens when I try to stream to too many platforms. My bad. All right.

let's see what else we got going on in the chat. Uh I should have put a Bosch unit on my house I Thought about putting boss unit in, but no I decided to go with a Carrier Infinity uh CM thank you very much for that. Super Chat Man, that is much appreciated. Uh wow, that's really awesome.

So he said just accepted a job doing refrigeration and Light commercial. He was honest with his experience four years very little. Refrigeration but with the pay they are giving him, he's worried they will expect too much. Ah, you got this man.

You got this. You'll do okay in the Light commercial side. It's a great part to get into and you know you can. You can build your way up.

Feel free to send me emails if you have questions and I'll try to answer them. So what do I think of True's ice maker design I haven't I've yet to work on it I Just know it's out there. so I haven't seen it yet Brian um see what else? Uh, laughs. All right.

Uh, let's see what else we got going on the chat: What am I missing? You want a hat? I already answered that one? Uh, very nice. Right on. There's really cool people commenting in The Tick Tock chat That's really awesome. Thank you very much for the nice words.

Um, what's my preferred condenser cleaning soaps I prefer using the refrigeration Technology's Viper line So they have the Viper Venom packs the the coil brightener and the condenser coil cleaner. So the yellow pack is for light dirt and for aluminum condensers micro Channel condensers and then the blue plaque or blue pack is for heavy dirt buildup and copper and aluminum fin condensers. So if you're interested in getting any of the refrigeration Technologies chemicals you can get them from Truetechtools.com Use my offer code big picture, you'll get a discount I get a small commission from that. It's a great way to help support the channel.

You can get them at other retailers too. Just true text. really easy. but